Home / 692,176.70-1,038,070.65-219,007.10

Finding the Fourth Proportional to 692,176.70, 1,038,070.65 and 219,007.10

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Solution

The fourth proportional to 692,176.70, 1,038,070.65 and 219,007.10 is: 328,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,176.70 : 1,038,070.65 = 219,007.10 : x
  2. Step 2: Convert to fraction form
    692,176.70/1,038,070.65 = 219,007.10/x
  3. Step 3: Cross multiply
    692,176.70x = 1,038,070.65 × 219,007.10
  4. Step 4: Simplify right side
    692,176.70x = 227,344,842,651.62
  5. Step 5: Solve for x
    x = 227,344,842,651.62/692,176.70
  6. Step 6: Final answer
    x = 328,449.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.